239828680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1607}}^1$

素因数の和:1679

約数の個数: 128

約数和(自身を含む): 680762880

約数和(自身を除く): 440934200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 41, 52, 56, 65, 70, 82, 91, 104, 130, 140, 164, 182, 205, 260, 280, 287, 328, 364, 410, 455, 520, 533, 574, 728, 820, 910, 1066, 1148, 1435, 1607, 1640, 1820, 2132, 2296, 2665, 2870, 3214, 3640, 3731, 4264, 5330, 5740, 6428, 7462, 8035, 10660, 11249, 11480, 12856, 14924, 16070, 18655, 20891, 21320, 22498, 29848, 32140, 37310, 41782, 44996, 56245, 64280, 65887, 74620, 83564, 89992, 104455, 112490, 131774, 146237, 149240, 167128, 208910, 224980, 263548, 292474, 329435, 417820, 449960, 461209, 527096, 584948, 658870, 731185, 835640, 856531, 922418, 1169896, 1317740, 1462370, 1713062, 1844836, 2306045, 2635480, 2924740, 3426124, 3689672, 4282655, 4612090, 5849480, 5995717, 6852248, 8565310, 9224180, 11991434, 17130620, 18448360, 23982868, 29978585, 34261240, 47965736, 59957170, 119914340, 239828680]

約数ペア:

[(1, 239828680), (2, 119914340), (4, 59957170), (5, 47965736), (7, 34261240), (8, 29978585), (10, 23982868), (13, 18448360), (14, 17130620), (20, 11991434), (26, 9224180), (28, 8565310), (35, 6852248), (40, 5995717), (41, 5849480), (52, 4612090), (56, 4282655), (65, 3689672), (70, 3426124), (82, 2924740), (91, 2635480), (104, 2306045), (130, 1844836), (140, 1713062), (164, 1462370), (182, 1317740), (205, 1169896), (260, 922418), (280, 856531), (287, 835640), (328, 731185), (364, 658870), (410, 584948), (455, 527096), (520, 461209), (533, 449960), (574, 417820), (728, 329435), (820, 292474), (910, 263548), (1066, 224980), (1148, 208910), (1435, 167128), (1607, 149240), (1640, 146237), (1820, 131774), (2132, 112490), (2296, 104455), (2665, 89992), (2870, 83564), (3214, 74620), (3640, 65887), (3731, 64280), (4264, 56245), (5330, 44996), (5740, 41782), (6428, 37310), (7462, 32140), (8035, 29848), (10660, 22498), (11249, 21320), (11480, 20891), (12856, 18655), (14924, 16070)]